CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

MAACAMA CREEK - KELLOGG (RMKC1)

Latitude: 38.64º N	Longitude: 122.76º W	Elevation: 200 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

May 08 2025 at 7:52 AM PDT

Next Issuance:

May 09 2025 at 9:00 AM PDT

Action/Monitor: 13.5 Feet

Minor Flood: 14.8 Feet

Moderate Flood: 19.5 Feet

Major Flood: 25.0 Feet

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View US Geological Survey (USGS) Data for this station location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
25.0 Feet	Kreck Road inundated at creek crossing with water possibly over bridge deck. Valley completely flooded in the vicinity of the stream gage.
19.5 Feet	Moderate Flooding. Water in Maacama Creek blocked by bridge deck support structure and may begin to backwater upstream of the bridge crossing. Adjacent vineyard pump house flooded including electrical utility service to pump house so localized voltage hazard may be present. NWS will issue a Flash Flood Warning, if not yet already issued.
14.76 Feet	Minor Flooding. Vineyard on left bank (south) side downstream of Kreck Road crossing fully inundated. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
13.5 Feet	Monitor Stage. Right bank bridge abutments (west side) submerged at Kreck Road bridge. NWS may issue a Flash Flood Watch, if not yet already issued.

Official 7 Day National Weather Service Forecast (CAZ506)

rest of Tonight: Partly cloudy. Lows in the 40s to upper 50s. West winds up to 5 mph.

Friday: Sunny. Highs in the 70s to 80s. Southwest winds 5 to 10 mph.

Friday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to upper 50s. West winds 5 to 10 mph.

Saturday: Sunny. Highs in the 70s to 80s. West winds up to 5 mph increasing to 10 to 15 mph in the afternoon.

Saturday Night: Mostly clear. Lows in the lower 50s. West winds 10 to 20 mph.

Sunday: Sunny. Highs in the upper 50s to lower 70s.

Sunday Night: Mostly clear in the evening then becoming mostly cloudy. A chance of rain. Lows in the mid 40s to lower 50s.

Monday: Mostly cloudy. A chance of rain. Highs in the 50s to mid 60s.

Monday Night and Tuesday: Partly cloudy. Lows in the 40s to lower 50s. Highs in the 60s to lower 70s.

Tuesday Night through Wednesday Night: Mostly clear. Lows in the 40s to lower 50s. Highs in the lower 60s to mid 70s.

Thursday: Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 80s.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Francisco Bay Area-Monterey Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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